TY  - JOUR
AU  - W. Kuperberg
TI  - On minimum area quadrilaterals and triangles circumscribed about convex plane regions.
JO  - Elemente der Mathematik
PY  - 1983
SP  - 57
EP  - 61
VL  - 38
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1983__38_141310/
ID  - ELMA_1983__38_141310
ER  -